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58 lines
1.0 KiB
58 lines
1.0 KiB
// |
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package main |
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import ( |
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"fmt" |
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"github.com/btcsuite/goleveldb/leveldb" |
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"github.com/btcsuite/goleveldb/leveldb/opt" |
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) |
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type tst struct { |
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key int |
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value string |
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} |
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var dataset = []tst{ |
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//var dataset = []struct { key int, value string } { |
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{1, "one"}, |
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{2, "two"}, |
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{3, "three"}, |
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{4, "four"}, |
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{5, "five"}, |
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} |
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func main() { |
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ro := &opt.ReadOptions{} |
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wo := &opt.WriteOptions{} |
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opts := &opt.Options{} |
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ldb, err := leveldb.OpenFile("dbfile", opts) |
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if err != nil { |
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fmt.Printf("db open failed %v\n", err) |
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return |
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} |
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batch := new(leveldb.Batch) |
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for _, datum := range dataset { |
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key := fmt.Sprintf("%v", datum.key) |
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batch.Put([]byte(key), []byte(datum.value)) |
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} |
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err = ldb.Write(batch, wo) |
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for _, datum := range dataset { |
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key := fmt.Sprintf("%v", datum.key) |
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data, err := ldb.Get([]byte(key), ro) |
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if err != nil { |
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fmt.Printf("db read failed %v\n", err) |
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} |
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if string(data) != datum.value { |
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fmt.Printf("mismatched data from db key %v val %v db %v", key, datum.value, data) |
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} |
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} |
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fmt.Printf("completed\n") |
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ldb.Close() |
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}
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